package cn.humaohua.study.yanmo_design_pattern.ch24.v1;

/**
 * Created by hmh on 09/01/2018.
 * 加急消息的抽象接口
 */
public interface UrgencyMessage extends Message {
    /**
     * 监控某消息的处理流程
     *
     * @param messageId
     * @return
     */
    public Object watch(String messageId);
}
